0,4
Tan[ Tanh[ x ] ]*x/2 (* Even Part *)
A009718.
Sequence in context: A083195 A004358 A006260 this_sequence A060195 A114201 A052715
Adjacent sequences: A024300 A024301 A024302 this_sequence A024304 A024305 A024306
sign
R. H. Hardin (rhhardin(AT)att.net)
Extended with signs 03/97.
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